今天我们要学的词是living proof。Living proof 活生生的证据。美国一位老先生从98岁开始去健身房锻炼，如今102岁的他，已经坚持四年。He is living proof that it's never too late to start exercising. 他是活生生的证据，说明开始健身永远都不会太晚。再比如，He is a self-made billionaire. He is living proof that poverty is not a hindrance to success. 他是白手起家的亿万富翁，贫穷并非成功的障碍，他就是活生生的实例。好的，今天我们学习的词是 living proof, living proof, living proof...